.zxx_main_con,
.zhxx_main_con {
  article {
    font-size: medium;
  }
  p {
    margin: 1em 0;
  }
  h3 {
    margin: 1.2em 0;
    background-color: #333;
    color: #fff;
    padding: 10px;
  }
  h4,
  h5 {
    font-size: 100%;
  }
  pre {
    padding: 0.5em 1em;
    background-color: #f3f5f9;
    font-family: Consolas, Monaco, monospace;
  }
}

.title-nav-ul {
  width: 200px;
  border: 1px solid #ccc;
  background-color: #fff;
  box-shadow: 1px 1px 3px rgba(0, 0, 0, 0.25);
  position: fixed;
  top: 20px;
  right: 10px;
  .title-nav-li {
    display: block;
    padding: 10px;
    text-decoration: none;
    color: inherit;
    &.active {
      font-weight: bold;
    }
    &:hover {
      color: inherit;
      background-color: #f0f0f0;
      text-decoration: none;
    }
  }
}
